The _________ of a class are also called the public services or the public interface that the class provides to its clients.

A ________ is the bottom-most area of a document where information such as the page number or date would be displayed

A) tab B) margin C) footer D) header

Which of the following commands is used on a UNIX host to generate information about each router hop along the path from a source to a destination?

a. ping -t b. tracert c. ping -r d. traceroute